Home / 157,695,064.80-236,212,650.18-126,822,766.92

Finding the Fourth Proportional to 157,695,064.80, 236,212,650.18 and 126,822,766.92

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Solution

The fourth proportional to 157,695,064.80, 236,212,650.18 and 126,822,766.92 is: 189,968,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,695,064.80 : 236,212,650.18 = 126,822,766.92 : x
  2. Step 2: Convert to fraction form
    157,695,064.80/236,212,650.18 = 126,822,766.92/x
  3. Step 3: Cross multiply
    157,695,064.80x = 236,212,650.18 × 126,822,766.92
  4. Step 4: Simplify right side
    157,695,064.80x = 29,957,141,877,333,636
  5. Step 5: Solve for x
    x = 29,957,141,877,333,636/157,695,064.80
  6. Step 6: Final answer
    x = 189,968,797.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.